<?php

/**
 * @file
 * Reports administration menu items.
 */

/**
 * Form builder for the admin settings.
 *
 * @ingroup forms
 */
function uc_reports_settings_form() {
    $form['uc_reports_table_size'] = array(
        '#type' => 'textfield',
        '#title' => t('Paged table size'),
        '#description' => t('The maximum number of rows displayed on one page for a report table.'),
        '#default_value' => variable_get('uc_reports_table_size', 30),
    );

    $options = array();
    foreach (uc_order_status_list() as $status) {
        $options[$status['id']] = $status['title'];
    }

    $form['uc_reports_reported_statuses'] = array(
        '#type' => 'select',
        '#title' => t('Reported statuses'),
        '#description' => t('Only orders with selected statuses will be included in reports.'),
        '#options' => $options,
        '#default_value' => variable_get('uc_reports_reported_statuses', array('completed')),
        '#multiple' => TRUE,
    );

    return system_settings_form($form);
}

/**
 * Display the customer report
 */
function uc_reports_customers() {
    $address_preference = variable_get('uc_customer_list_address', 'billing');
    $first_name = ($address_preference == 'billing') ? 'billing_first_name' : 'delivery_first_name';
    $last_name = ($address_preference == 'billing') ? 'billing_last_name' : 'delivery_last_name';
    $page = isset($_GET['page']) ? intval($_GET['page']) : 0;
    $page_size = isset($_GET['nopage']) ? UC_REPORTS_MAX_RECORDS : variable_get('uc_reports_table_size', 30);
    $order_statuses = _uc_reports_order_statuses();
    $rows = array();
    $csv_rows = array();

    $header = array(
        array('data' => t('#')),
        array('data' => t('Customer'), 'field' => "ou.$last_name"),
        array('data' => t('Username'), 'field' => "u.name"),
        array('data' => t('Orders'), 'field' => 'orders'),
        array('data' => t('Products'), 'field' => 'products'),
        array('data' => t('Total'), 'field' => 'total', 'sort' => 'desc'),
        array('data' => t('Average'), 'field' => 'average'),
    );
    $csv_rows[] = array(t('#'), t('Customer'), t('Username'), t('Orders'), t('Products'), t('Total'), t('Average'));

    $sql = '';
    $sql_count = '';

    switch ($GLOBALS['db_type']) {
        case 'mysqli':
        case 'mysql':
            $sql = "SELECT u.uid, u.name, ou.$first_name, ou.$last_name, (SELECT COUNT(DISTINCT(order_id)) FROM {uc_orders} as o WHERE o.uid = u.uid AND o.order_status IN $order_statuses) as orders, (SELECT SUM(qty) FROM {uc_order_products} as ps LEFT JOIN {uc_orders} as os ON ps.order_id = os.order_id WHERE os.order_status IN $order_statuses AND os.uid = u.uid) as products, (SELECT SUM(ot.order_total) FROM {uc_orders} as ot WHERE ot.uid = u.uid AND ot.order_status IN $order_statuses) as total, ROUND((SELECT SUM(ot.order_total) FROM {uc_orders} as ot WHERE ot.uid = u.uid AND ot.order_status IN $order_statuses)/(SELECT COUNT(DISTINCT(order_id)) FROM {uc_orders} as o WHERE o.uid = u.uid AND o.order_status IN $order_statuses), 2) as average FROM {users} as u LEFT JOIN {uc_orders} as ou ON u.uid = ou.uid WHERE u.uid > 0 GROUP BY u.uid";
            $sql_count = "SELECT COUNT(DISTINCT(u.uid)) FROM {users} as u LEFT JOIN {uc_orders} as ou ON u.uid = ou.uid WHERE u.uid > 0";
            break;
        case 'pgsql':
            $sql = "SELECT u.uid, u.name, ou.$first_name, ou.$last_name, (SELECT COUNT(DISTINCT(order_id)) FROM {uc_orders} as o WHERE o.uid = u.uid AND o.order_status IN $order_statuses) as orders, (SELECT SUM(qty) FROM {uc_order_products} as ps LEFT JOIN {uc_orders} as os ON ps.order_id = os.order_id WHERE os.order_status IN $order_statuses AND os.uid = u.uid) as products, (SELECT SUM(ot.order_total) FROM {uc_orders} as ot WHERE ot.uid = u.uid AND ot.order_status IN $order_statuses) as total, ROUND((SELECT SUM(ot.order_total) FROM {uc_orders} as ot WHERE ot.uid = u.uid AND ot.order_status IN $order_statuses)/(SELECT COUNT(DISTINCT(order_id)) FROM {uc_orders} as o WHERE o.uid = u.uid AND o.order_status IN $order_statuses), 2) as average FROM {users} as u LEFT JOIN {uc_orders} as ou ON u.uid = ou.uid WHERE u.uid > 0 GROUP BY u.uid, u.name, ou.$first_name, ou.$last_name";
            $sql_count = "SELECT COUNT(DISTINCT(u.uid)) FROM {users} as u LEFT JOIN {uc_orders} as ou ON u.uid = ou.uid WHERE u.uid > 0";
            break;
    }

    $context = array(
        'revision' => 'formatted-original',
        'type' => 'amount',
    );

    $customers = pager_query($sql . tablesort_sql($header), $page_size, 0, $sql_count);

    while ($customer = db_fetch_array($customers)) {
        $name = (!empty($customer[$last_name]) || !empty($customer[$first_name])) ? l($customer[$last_name] . ', ' . $customer[$first_name], 'admin/store/customers/orders/' . $customer['uid']) : l($customer['name'], 'admin/store/customers/orders/' . $customer['uid']);
        $customer_number = ($page * variable_get('uc_reports_table_size', 30)) + (count($rows) + 1);
        $customer_order_name = (!empty($customer[$last_name]) || !empty($customer[$first_name])) ? $customer[$last_name] . ', ' . $customer[$first_name] : $customer['name'];
        $customer_name = $customer['name'];
        $orders = !empty($customer['orders']) ? $customer['orders'] : 0;
        $products = !empty($customer['products']) ? $customer['products'] : 0;
        $total_revenue = uc_price($customer['total'], $context);
        $average_revenue = uc_price($customer['average'], $context);
        $rows[] = array(
            array('data' => $customer_number),
            array('data' => $name),
            array('data' => l($customer_name, 'user/' . $customer['uid'])),
            array('data' => $orders),
            array('data' => $products),
            array('data' => $total_revenue),
            array('data' => $average_revenue),
        );
        $csv_rows[] = array($customer_number, $customer_order_name, $customer_name, $orders, $products, $customer['total'], $customer['average']);
    }
    if (empty($rows)) {
        $rows[] = array(array('data' => t('No customers found'), 'colspan' => count($header)));
    }
    $csv_data = uc_reports_store_csv('uc_customers', $csv_rows);

    $output = theme('table', $header, $rows, array('width' => '100%', 'class' => 'uc-sales-table'));
    $output .= theme('pager', NULL, $page_size);
    $output .= '<div class="uc-reports-links">' . l(t('Export to CSV file.'), 'admin/store/reports/getcsv/' . $csv_data['report'] . '/' . $csv_data['user']) . '&nbsp;&nbsp;&nbsp;' . (isset($_GET['nopage']) ? l(t('Show paged records'), 'admin/store/reports/customers') : l(t('Show all records'), 'admin/store/reports/customers', array('query' => 'nopage=1'))) . '</div>';

    return $output;
}

/**
 * Display the product reports
 */
function uc_reports_products() {
    $views_column = module_exists('statistics') && variable_get('statistics_count_content_views', FALSE);

    $page = isset($_GET['page']) ? intval($_GET['page']) : 0;
    $page_size = isset($_GET['nopage']) ? UC_REPORTS_MAX_RECORDS : variable_get('uc_reports_table_size', 30);
    $order_statuses = _uc_reports_order_statuses();
    $row_cell = $page * variable_get('uc_reports_table_size', 30) + 1;
    $csv_rows = array();

    // Hard code the ignore of the product kit for this report.
    $ignored_types = array('product_kit');

    // Build an array of valid product types to include on the report.
    $product_types = array();
    foreach (uc_product_types() as $type) {
        // Pass over any ignored types.
        if (!in_array($type, $ignored_types)) {
            $product_types[] = "'" . $type . "'";
        }
    }
    $product_types = '(' . implode(', ', $product_types) . ')';

    $header = array(
        array('data' => t('#')),
        array('data' => t('Product'), 'field' => 'n.title'),
        array('data' => t('Sold'), 'field' => 'sold'),
        array('data' => t('Revenue'), 'field' => 'revenue', 'sort' => 'desc'),
        array('data' => t('Gross'), 'field' => 'gross'),
    );
    $csv_rows[] = array(t('#'), t('Product'), t('Sold'), t('Revenue'), t('Gross'));

    if ($views_column) {
        $header[] = array('data' => t('Views'), 'field' => 'nc.totalcount');
        $csv_rows[0][] = t('Views');
    }

    $var_tables = "{uc_order_products} AS uop LEFT JOIN {uc_orders} AS uo ON uop.order_id = uo.order_id WHERE uo.order_status IN $order_statuses AND uop.nid = n.nid";
    $sql_vars = array(
        "n.nid",
        "n.title",
        "(SELECT SUM(uop.qty) FROM $var_tables) AS sold",
        "(SELECT (SUM(uop.price * uop.qty) - SUM(uop.cost * uop.qty)) FROM $var_tables) AS gross",
        "(SELECT (SUM(uop.price * uop.qty)) FROM $var_tables) AS revenue",
    );
    if ($views_column) {
        $sql_vars[] = "nc.totalcount";
    }
    $sql_vars = implode(", ", $sql_vars);

    $sql_tables = "{node} as n";
    if ($views_column) {
        $sql_tables .= " LEFT JOIN {node_counter} AS nc ON n.nid = nc.nid";
    }

    $sql_conditions = "n.type IN $product_types";

    $sql_count = "SELECT COUNT(n.nid) FROM $sql_tables WHERE $sql_conditions";

    $context = array(
        'revision' => 'formatted-original',
        'type' => 'amount',
    );

    $products = pager_query("SELECT $sql_vars FROM $sql_tables WHERE $sql_conditions GROUP BY n.nid, n.title" . tablesort_sql($header), $page_size, 0, $sql_count);
    while ($product = db_fetch_array($products)) {
        $product_cell = l($product['title'], 'node/' . $product['nid']);
        $product_csv = $product['title'];
        $sold_cell = empty($product['sold']) ? 0 : $product['sold'];
        $sold_csv = $sold_cell;
        $revenue_csv = empty($product['revenue']) ? 0 : $product['revenue'];
        $revenue_cell = uc_price($revenue_csv, $context);
        $gross_csv = empty($product['gross']) ? 0 : $product['gross'];
        $gross_cell = uc_price($gross_csv, $context);

        $row = array(
            'data' => array(
                $row_cell,
                $product_cell,
                "<strong>$sold_cell</strong>",
                "<strong>$revenue_cell</strong>",
                "<strong>$gross_cell</strong>",
            ),
            'primary' => TRUE,
        );
        $csv_row = array($row_cell, $product_csv, $sold_csv, $revenue_csv, $gross_csv);

        if ($views_column) {
            $views = isset($product['totalcount']) ? $product['totalcount'] : 0;
            $row['data'][] = $views;
            $csv_row[] = $views;
        }

        $rows[] = $row;
        $csv_rows[] = $csv_row;

        if (module_exists('uc_attribute')) {
            // Get the SKUs from this product.
            $models = _uc_reports_product_get_skus($product['nid']);
            // Add the product breakdown rows
            foreach ($models as $model) {
                $sold = db_result(db_query("SELECT SUM(qty) FROM {uc_order_products} AS p LEFT JOIN {uc_orders} AS o ON p.order_id = o.order_id WHERE o.order_status IN $order_statuses AND p.model = '%s' AND p.nid = %d", $model, $product['nid']));
                $revenue = db_result(db_query("SELECT SUM(p.price * p.qty) FROM {uc_order_products} AS p LEFT JOIN {uc_orders} AS o ON p.order_id = o.order_id WHERE o.order_status IN $order_statuses AND p.model = '%s' AND p.nid = %d", $model, $product['nid']));
                $gross = db_result(db_query("SELECT (SUM(p.price * p.qty) - SUM(p.cost * p.qty)) FROM {uc_order_products} AS p LEFT JOIN {uc_orders} AS o ON p.order_id = o.order_id WHERE o.order_status IN $order_statuses AND p.model = '%s' AND p.nid = %d", $model, $product['nid']));
                $breakdown_product = "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$model";
                $product_csv = "     $model";

                $sold_csv = !empty($sold) ? $sold : 0;
                $breakdown_sold = $sold_csv;

                $context['revision'] = 'themed';
                $revenue_csv = !empty($revenue) ? $revenue : 0;
                $breakdown_revenue = uc_price($revenue_csv, $context);

                $gross_csv = !empty($gross) ? $gross : 0;
                $breakdown_gross = uc_price($gross_csv, $context);
                $context['revision'] = 'formatted';

                $row = array(
                    'data' => array(
                        '',
                        $breakdown_product,
                        $breakdown_sold,
                        $breakdown_revenue,
                        $breakdown_gross,
                    ),
                );
                $csv_row = array('', $product_csv, $sold_csv, $revenue_csv, $gross_csv);

                if ($views_column) {
                    $row['data'][] = '';
                    $csv_row[] = '';
                }

                $rows[] = $row;
                $csv_rows[] = $csv_row;
            }
        }
        $row_cell++;
    }
    if (empty($rows)) {
        $rows[] = array(array('data' => t('No products found'), 'colspan' => count($header)));
    }
    $csv_data = uc_reports_store_csv('uc_products', $csv_rows);

    $output = theme('uc_reports_product_table', $header, $rows, array('width' => '100%', 'class' => 'uc-sales-table'));
    $output .= theme('pager', NULL, $page_size);
    $output .= '<div class="uc-reports-links">' . l(t('Export to CSV file.'), 'admin/store/reports/getcsv/' . $csv_data['report'] . '/' . $csv_data['user']) . '&nbsp;&nbsp;&nbsp;' . (isset($_GET['nopage']) ? l(t('Show paged records'), 'admin/store/reports/products') : l(t('Show all records'), 'admin/store/reports/products', array('query' => 'nopage=1'))) . '</div>';
    $output .= '<small>*' . t('Make sure %setting_name is set to %state in the <a href="!url">access log settings page</a> to enable views column.', array('%setting_name' => 'count content views', '%state' => 'enabled', '!url' => url('admin/reports/settings', array('query' => 'destination=admin/store/reports/products')))) . '</small>';

    return $output;
}

/**
 * Get the SKUs on a product, first from the product itself, then from the
 * adjustments table, finally pulling any SKUs out of previous orders.
 *
 * @param $nid
 *   The product's node ID.
 * @return
 *   A unique sorted array of all skus.
 */
function _uc_reports_product_get_skus($nid) {
    // Product SKU.
    $models = array(db_result(db_query("SELECT model FROM {uc_products} WHERE nid = %d", $nid)));
    // Adjustment SKUs.
    $product_models = db_query("SELECT model FROM {uc_product_adjustments} WHERE nid = %d", $nid);
    while ($product_model = db_fetch_object($product_models)) {
        $models[] = $product_model->model;
    }
    // SKUs from orders.
    $order_product_models = db_query("SELECT DISTINCT model FROM {uc_order_products} WHERE nid = %d", $nid);
    while ($order_product_model = db_fetch_object($order_product_models)) {
        $models[] = $order_product_model->model;
    }
    // Unique, sorted.
    $models = array_unique($models);
    asort($models);
    return $models;
}

/**
 * Display the custom product report.
 */
function uc_reports_products_custom() {
    $timezone = _uc_reports_timezone_offset();
    $timezone_offset = time() + $timezone;
    $views_column = module_exists('statistics') && variable_get('statistics_count_content_views', FALSE);

    $page = isset($_GET['page']) ? intval($_GET['page']) : 0;
    $page_size = isset($_GET['nopage']) ? UC_REPORTS_MAX_RECORDS : variable_get('uc_reports_table_size', 30);
    $product_types = array("'product'");
    $csv_rows = array();

    $types = db_query("SELECT DISTINCT(pcid) FROM {uc_product_classes}");
    while ($type = db_fetch_object($types)) {
        $product_types[] = "'" . $type->pcid . "'";
    }

    // Use default report parameters if we don't detect values in the URL.
    if (arg(5) == '') {
        $args = array(
            'start_date' => gmmktime(0, 0, 0, gmdate('n', $timezone_offset), 1, gmdate('Y', $timezone_offset) - 1),
            'end_date' => time(),
            'status' => FALSE,
        );
    } else {
        $args = array(
            'start_date' => arg(5),
            'end_date' => arg(6),
            'status' => explode(',', urldecode(arg(7))),
        );
    }

    // Pull the order statuses into a SQL friendly array.
    if ($args['status'] === FALSE) {
        $order_statuses = _uc_reports_order_statuses();
    } else {
        $order_statuses = "('" . implode("', '", $args['status']) . "')";
    }
    $time_condition = "o.created >= " . $args['start_date'] . " AND o.created <= " . $args['end_date'];

    if ($views_column) {
        $header = array(
            array('data' => t('#')),
            array('data' => t('Product'), 'field' => 'n.title'),
            array('data' => t('Sold'), 'field' => 'sold'),
            array('data' => t('Revenue'), 'field' => 'revenue', 'sort' => 'desc'),
            array('data' => t('Gross'), 'field' => 'gross'),
            array('data' => t('Views'), 'field' => 'c.totalcount'),
        );
        $csv_rows[] = array(t('#'), t('Product'), t('Sold'), t('Revenue'), t('Gross'), t('Views'));

        $sql = '';
        switch ($GLOBALS['db_type']) {
            case 'mysqli':
            case 'mysql':
                $sql = "SELECT n.nid, n.title, c.totalcount, (SELECT SUM(qty) FROM {uc_order_products} AS p LEFT JOIN {uc_orders} AS o ON p.order_id = o.order_id WHERE o.order_status IN $order_statuses AND p.nid = n.nid AND $time_condition) AS sold, (SELECT (SUM(p2.price * p2.qty)) FROM {uc_order_products} AS p2 LEFT JOIN {uc_orders} AS o ON p2.order_id = o.order_id WHERE o.order_status IN $order_statuses AND p2.nid = n.nid AND $time_condition) AS revenue, (SELECT (SUM(p3.price * p3.qty) - SUM(p3.cost * p3.qty)) FROM {uc_order_products} AS p3 LEFT JOIN {uc_orders} AS o ON p3.order_id = o.order_id WHERE o.order_status IN $order_statuses AND p3.nid = n.nid AND $time_condition) AS gross FROM {node} AS n LEFT JOIN {node_counter} AS c ON n.nid = c.nid WHERE type IN (" . implode(", ", $product_types) . ") GROUP BY n.nid DESC";
                break;
            case 'pgsql':
                $sql = "SELECT n.nid, n.title, c.totalcount, (SELECT SUM(qty) FROM {uc_order_products} AS p LEFT JOIN {uc_orders} AS o ON p.order_id = o.order_id WHERE o.order_status IN $order_statuses AND p.nid = n.nid AND $time_condition) AS sold, (SELECT (SUM(p2.price * p2.qty)) FROM {uc_order_products} AS p2 LEFT JOIN {uc_orders} AS o ON p2.order_id = o.order_id WHERE o.order_status IN $order_statuses AND p2.nid = n.nid AND $time_condition) AS revenue, (SELECT (SUM(p3.price * p3.qty) - SUM(p3.cost * p3.qty)) FROM {uc_order_products} AS p3 LEFT JOIN {uc_orders} AS o ON p3.order_id = o.order_id WHERE o.order_status IN $order_statuses AND p3.nid = n.nid AND $time_condition) AS gross FROM {node} AS n LEFT JOIN {node_counter} AS c ON n.nid = c.nid WHERE type IN (" . implode(", ", $product_types) . ") GROUP BY n.nid";
                break;
        }
    } else {
        $header = array(
            array('data' => t('#')),
            array('data' => t('Product'), 'field' => 'n.title'),
            array('data' => t('Sold'), 'field' => 'sold'),
            array('data' => t('Revenue'), 'field' => 'revenue', 'sort' => 'desc'),
            array('data' => t('Gross'), 'field' => 'gross'),
        );
        $csv_rows[] = array(t('#'), t('Product'), t('Sold'), t('Revenue'), t('Gross'));


        switch ($GLOBALS['db_type']) {
            case 'mysqli':
            case 'mysql':
                $sql = "SELECT n.nid, n.title, (SELECT SUM(qty) FROM {uc_order_products} AS p LEFT JOIN {uc_orders} AS o ON p.order_id = o.order_id WHERE o.order_status IN $order_statuses AND p.nid = n.nid AND $time_condition) AS sold, (SELECT (SUM(p2.price * p2.qty)) FROM {uc_order_products} AS p2 LEFT JOIN {uc_orders} AS o ON p2.order_id = o.order_id WHERE o.order_status IN $order_statuses AND p2.nid = n.nid AND $time_condition) AS revenue, (SELECT (SUM(p3.price * p3.qty) - SUM(p3.cost * p3.qty)) FROM {uc_order_products} AS p3 LEFT JOIN {uc_orders} AS o ON p3.order_id = o.order_id WHERE o.order_status IN $order_statuses AND p3.nid = n.nid AND $time_condition) AS gross FROM {node} AS n WHERE type IN (" . implode(', ', $product_types) . ') GROUP BY n.nid DESC';
                break;
            case 'pgsql':
                $sql = "SELECT n.nid, n.title, (SELECT SUM(qty) FROM {uc_order_products} AS p LEFT JOIN {uc_orders} AS o ON p.order_id = o.order_id WHERE o.order_status IN $order_statuses AND p.nid = n.nid AND $time_condition) AS sold, (SELECT (SUM(p2.price * p2.qty)) FROM {uc_order_products} AS p2 LEFT JOIN {uc_orders} AS o ON p2.order_id = o.order_id WHERE o.order_status IN $order_statuses AND p2.nid = n.nid AND $time_condition) AS revenue, (SELECT (SUM(p3.price * p3.qty) - SUM(p3.cost * p3.qty)) FROM {uc_order_products} AS p3 LEFT JOIN {uc_orders} AS o ON p3.order_id = o.order_id WHERE o.order_status IN $order_statuses AND p3.nid = n.nid AND $time_condition) AS gross FROM {node} AS n WHERE type IN (" . implode(', ', $product_types) . ') GROUP BY n.nid, n.title';
                break;
        }
    }

    $sql_count = "SELECT COUNT(nid) FROM {node} WHERE type IN (" . implode(", ", $product_types) . ")";
    $products = pager_query($sql . tablesort_sql($header), $page_size, 0, $sql_count);

    $rows = array();
    while ($product = db_fetch_array($products)) {
        $row_cell = ($page * variable_get('uc_reports_table_size', 30)) + count($rows) + 1;
        $product_cell = l($product['title'], 'node/' . $product['nid']);
        $product_csv = $product['title'];
        $sold_cell = empty($product['sold']) ? 0 : $product['sold'];
        $sold_csv = $sold_cell;
        $revenue_cell = uc_currency_format(empty($product['revenue']) ? 0 : $product['revenue']);
        $revenue_csv = empty($product['revenue']) ? 0 : $product['revenue'];
        $gross_cell = uc_currency_format(empty($product['gross']) ? 0 : $product['gross']);
        $gross_csv = empty($product['gross']) ? 0 : $product['gross'];

        if (module_exists('uc_attribute')) {
            $breakdown_product = $breakdown_sold = $breakdown_revenue = $breakdown_gross = '';

            foreach (_uc_reports_product_get_skus($product['nid']) as $model) {  // was $models
                $sold = db_result(db_query("SELECT SUM(qty) FROM {uc_order_products} AS p LEFT JOIN {uc_orders} AS o ON p.order_id = o.order_id WHERE o.order_status IN $order_statuses AND p.model = '%s' AND p.nid = %d AND $time_condition", $model, $product['nid']));
                $sold = empty($sold) ? 0 : $sold;
                $revenue = db_result(db_query("SELECT SUM(p.price * p.qty) FROM {uc_order_products} AS p LEFT JOIN {uc_orders} AS o ON p.order_id = o.order_id WHERE o.order_status IN $order_statuses AND p.model = '%s' AND p.nid = %d AND $time_condition", $model, $product['nid']));
                $revenue = empty($revenue) ? 0 : $revenue;
                $gross = db_result(db_query("SELECT (SUM(p.price * p.qty) - SUM(p.cost * p.qty)) FROM {uc_order_products} AS p LEFT JOIN {uc_orders} AS o ON p.order_id = o.order_id WHERE o.order_status IN $order_statuses AND p.model = '%s' AND p.nid = %d AND $time_condition", $model, $product['nid']));
                $gross = empty($gross) ? 0 : $gross;

                $breakdown_product .= "<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$model";
                $product_csv .= "\n     $model";

                $breakdown_sold .= "<br />" . $sold;
                $sold_csv .= "\n     " . $sold;

                $breakdown_revenue .= "<br />" . uc_currency_format($revenue);
                $revenue_csv .= "\n     " . $revenue;

                $breakdown_gross .= "<br />" . uc_currency_format($gross);
                $gross_csv .= "\n     " . $gross;
            }
            $product_cell = $product_cell . $breakdown_product;
            $sold_cell = '<strong>' . $sold_cell . '</strong>' . $breakdown_sold;
            $revenue_cell = '<strong>' . $revenue_cell . '</strong>' . $breakdown_revenue;
            $gross_cell = '<strong>' . $gross_cell . '</strong>' . $breakdown_gross;
        }
        if ($views_column) {
            $views = empty($product['totalcount']) ? 0 : $product['totalcount'];
            $rows[] = array(
                array('data' => $row_cell),
                array('data' => $product_cell),
                array('data' => $sold_cell),
                array('data' => $revenue_cell),
                array('data' => $gross_cell),
                array('data' => $views),
            );
            $csv_rows[] = array($row_cell, $product_csv, $views, $sold_csv, $revenue_csv, $gross_csv);
        } else {
            $rows[] = array(
                array('data' => $row_cell),
                array('data' => $product_cell),
                array('data' => $sold_cell),
                array('data' => $revenue_cell),
                array('data' => $gross_cell),
            );
            $csv_rows[] = array($row_cell, $product_csv, $sold_csv, $revenue_csv, $gross_csv);
        }
    }
    if (empty($rows)) {
        $rows[] = array(array('data' => t('No products found'), 'colspan' => count($header)));
    }
    $csv_data = uc_reports_store_csv('uc_products', $csv_rows);

    // Build the page output holding the form, table, and CSV export link.
    $output = drupal_get_form('uc_reports_products_custom_form', $args, $args['status']);
    $output .= theme('table', $header, $rows, array('width' => '100%', 'class' => 'uc-sales-table'));
    $output .= '<div class="uc-reports-links">' . l(t('Export to CSV file.'), 'admin/store/reports/getcsv/' . $csv_data['report'] . '/' . $csv_data['user']) . '&nbsp;&nbsp;&nbsp;' . (isset($_GET['nopage']) ? l(t('Show paged records'), 'admin/store/reports/products/custom') : l(t('Show all records'), 'admin/store/reports/products/custom', array('query' => 'nopage=1'))) . '</div>';
    $output .= theme('pager', NULL, $page_size);
    $output .= '<small>*' . t('Make sure %setting_name is set to %state in the <a href="!url">access log settings page</a> to enable views column.', array('%setting_name' => 'count content views', '%state' => 'enabled', '!url' => url('admin/reports/settings', array('query' => 'destination=admin/store/reports/products/custom')))) . '</small>';

    return $output;
}

// Form builder for the custom product report.
function uc_reports_products_custom_form(&$form_state, $values, $statuses) {
    $form = array();

    $form['search'] = array(
        '#type' => 'fieldset',
        '#title' => t('Customize product report parameters'),
        '#description' => t('Adjust these values and update the report to build your custom product report. Once submitted, the report may be bookmarked for easy reference in the future.'),
        '#collapsible' => TRUE,
        '#collapsed' => TRUE,
    );

    $form['search']['start_date'] = array(
        '#type' => 'date',
        '#title' => t('Start date'),
        '#default_value' => array(
            'month' => format_date($values['start_date'], 'custom', 'n'),
            'day' => format_date($values['start_date'], 'custom', 'j'),
            'year' => format_date($values['start_date'], 'custom', 'Y'),
        ),
    );
    $form['search']['end_date'] = array(
        '#type' => 'date',
        '#title' => t('End date'),
        '#default_value' => array(
            'month' => format_date($values['end_date'], 'custom', 'n'),
            'day' => format_date($values['end_date'], 'custom', 'j'),
            'year' => format_date($values['end_date'], 'custom', 'Y'),
        ),
    );

    $options = array();
    foreach (uc_order_status_list() as $status) {
        $options[$status['id']] = $status['title'];
    }

    if ($statuses === FALSE) {
        $statuses = variable_get('uc_reports_reported_statuses', array('completed'));
    }

    $form['search']['status'] = array(
        '#type' => 'select',
        '#title' => t('Order statuses'),
        '#description' => t('Only orders with selected statuses will be included in the report.') . '<br />' . t('Hold Ctrl + click to select multiple statuses.'),
        '#options' => $options,
        '#default_value' => $statuses,
        '#multiple' => TRUE,
        '#size' => 5,
    );

    $form['search']['submit'] = array(
        '#type' => 'submit',
        '#value' => t('Update report'),
    );

    return $form;
}

function uc_reports_products_custom_form_validate($form, &$form_state) {
    if (empty($form_state['values']['status'])) {
        form_set_error('status', t('You must select at least one order status.'));
    }
}

function uc_reports_products_custom_form_submit($form, &$form_state) {
    $timezone_offset = _uc_reports_timezone_offset();

    // Build the start and end dates from the form.
    $start_date = gmmktime(0, 0, 0, $form_state['values']['start_date']['month'], $form_state['values']['start_date']['day'], $form_state['values']['start_date']['year']);
    $end_date = gmmktime(23, 59, 59, $form_state['values']['end_date']['month'], $form_state['values']['end_date']['day'], $form_state['values']['end_date']['year']);

    $args = array(
        $start_date,
        $end_date,
        urlencode(implode(',', array_keys($form_state['values']['status']))),
    );

    $form_state['redirect'] = array('admin/store/reports/products/custom/' . implode('/', $args));
}

/**
 * Return a themed table for product reports.
 *
 * Straight duplication of theme_table, but our row handling is different.
 *
 * @see theme_table()
 * @ingroup themeable
 */
function theme_uc_reports_product_table($header, $rows, $attributes = array(), $caption = NULL) {

    // Add sticky headers, if applicable.
    if (count($header)) {
        drupal_add_js('misc/tableheader.js');
        // Add 'sticky-enabled' class to the table to identify it for JS.
        // This is needed to target tables constructed by this function.
        $attributes['class'] = empty($attributes['class']) ? 'sticky-enabled' : ($attributes['class'] . ' sticky-enabled');
    }

    $output = '<table' . drupal_attributes($attributes) . ">\n";

    if (isset($caption)) {
        $output .= '<caption>' . $caption . "</caption>\n";
    }

    // Format the table header:
    if (count($header)) {
        $ts = tablesort_init($header);
        // HTML requires that the thead tag has tr tags in it follwed by tbody
        // tags. Using ternary operator to check and see if we have any rows.
        $output .= (count($rows) ? ' <thead><tr>' : ' <tr>');
        foreach ($header as $cell) {
            $cell = tablesort_header($cell, $header, $ts);
            $output .= _theme_table_cell($cell, TRUE);
        }
        // Using ternary operator to close the tags based on whether or not there are rows
        $output .= (count($rows) ? " </tr></thead>\n" : "</tr>\n");
    } else {
        $ts = array();
    }

    // Format the table rows:
    if (count($rows)) {
        $output .= "<tbody>\n";
        $flip = array('even' => 'odd', 'odd' => 'even');
        $class = 'even';
        foreach ($rows as $number => $row) {
            $attributes = array();

            // Check if we're dealing with a simple or complex row
            if (isset($row['data'])) {
                foreach ($row as $key => $value) {
                    if ($key == 'data') {
                        $cells = $value;
                    } elseif ($key == 'primary') {
                        $class = $flip[$class];
                    } else {
                        $attributes[$key] = $value;
                    }
                }
            } else {
                $cells = $row;
            }
            if (count($cells)) {
                // Add odd/even class
                // We don't flip here like theme_table(), because we did that above.
                if (isset($attributes['class'])) {
                    $attributes['class'] .= ' ' . $class;
                } else {
                    $attributes['class'] = $class;
                }

                // Build row
                $output .= ' <tr' . drupal_attributes($attributes) . '>';
                $i = 0;
                foreach ($cells as $cell) {
                    $cell = tablesort_cell($cell, $header, $ts, $i++);
                    $output .= _theme_table_cell($cell);
                }
                $output .= " </tr>\n";
            }
        }
        $output .= "</tbody>\n";
    }

    $output .= "</table>\n";
    return $output;
}

/**
 * Display the sales summary report.
 */
function uc_reports_sales_summary() {
    // "Now" timestamp
    $time = time();

    // Site time minus GMT time, in seconds
    $timezone_offset = _uc_reports_timezone_offset();

    // Find day/month/year of "Now" in site timezone
    $date_month = format_date($time, 'custom', 'n', $timezone_offset);
    $date_year = format_date($time, 'custom', 'Y', $timezone_offset);
    $date_day_of_month = format_date($time, 'custom', 'j', $timezone_offset);
    $date_days_in_month = format_date($time, 'custom', 't', $timezone_offset);

    // Calculate Unix timecodes (defined to be in GMT time)
    // for beginning and ending of reporting periods
    // Use gm functions so PHP won't try to do any timezone conversions by itself
    $month_start = gmmktime(0, 0, 0, $date_month, 1, $date_year) - $timezone_offset;
    $month_end = gmmktime(23, 59, 59, $date_month, $date_days_in_month, $date_year) - $timezone_offset;
    $today_start = gmmktime(0, 0, 0, $date_month, $date_day_of_month, $date_year) - $timezone_offset;
    $today_end = gmmktime(23, 59, 59, $date_month, $date_day_of_month, $date_year) - $timezone_offset;

    // Initialize variables used later
    $order_statuses = _uc_reports_order_statuses();
    $format = variable_get('uc_date_format_default', 'm/d/Y');
    // Build the report table header.
    $header = array(t('Sales data'), t('Number of orders'), t('Total revenue'), t('Average order'));

    // Calculate and add today's sales summary to the report table.
    $today = _uc_reports_get_sales($today_start);

    $context = array(
        'revision' => 'themed-original',
        'type' => 'amount',
    );

    $rows[] = array(
        l(t('Today, !date', array('!date' => format_date($today_start, 'custom', $format, $timezone_offset))), 'admin/store/orders/search/results/0/0/0/0/0/0/' . $today_start . '/' . $today_end),
        $today['total'],
        uc_price($today['income'], $context),
        uc_price($today['average'], $context),
    );

    // Calculate and add yesterday's sales summary to the report table.
    $yesterday = _uc_reports_get_sales($today_start - 86400);

    $rows[] = array(
        l(t('Yesterday, !date', array('!date' => format_date($today_start - 86400, 'custom', $format, $timezone_offset))), 'admin/store/orders/search/results/0/0/0/0/0/0/' . ($today_start - 86400) . '/' . ($today_end - 86400)),
        $yesterday['total'],
        uc_price($yesterday['income'], $context),
        uc_price($yesterday['average'], $context),
    );

    // Get the sales report for the month.
    $month = _uc_reports_get_sales($month_start, 'month');
    $month_title = format_date($month_start, 'custom', 'M Y', $timezone_offset);

    // Add the month-to-date details to the report table.
    $rows[] = array(
        l(t('Month-to-date, @month', array('@month' => $month_title)), 'admin/store/orders/search/results/0/0/0/0/0/0/' . $month_start . '/' . $month_end),
        $month['total'],
        uc_price($month['income'], $context),
        uc_price($month['average'], $context),
    );

    // Calculate the daily averages for the month.
    $daily_orders = round($month['total'] / $date_day_of_month, 2);
    $daily_revenue = round($month['income'] / $date_day_of_month, 2);

    if ($daily_orders > 0) {
        $daily_average = round($daily_revenue / $daily_orders, 2);
    } else {
        $daily_average = 0;
    }

    // Add the daily averages for the month to the report table.
    $rows[] = array(
        t('Daily average for @month', array('@month' => $month_title)),
        $daily_orders,
        uc_price($daily_revenue, $context),
        '',
    );

    // Store the number of days remaining in the month.
    $remaining_days = $date_days_in_month - $date_day_of_month;

    // Add the projected totals for the month to the report table.
    $rows[] = array(
        t('Projected totals for @date', array('@date' => $month_title)),
        round($month['total'] + ($daily_orders * $remaining_days), 2),
        uc_price(round($month['income'] + ($daily_revenue * $remaining_days), 2), $context),
        '',
    );

    // Add the sales data report table to the output.
    $output = theme('table', $header, $rows, array('class' => 'uc-sales-table'));

    // Build the header statistics table header.
    $header = array(array('data' => t('Statistics'), 'width' => '50%'), '');

    $rows = array(
        array(array('data' => t('Grand total sales')), array('data' => uc_price(db_result(db_query("SELECT SUM(order_total) FROM {uc_orders} WHERE order_status IN $order_statuses")), $context))),
        array(array('data' => t('Customers total')), array('data' => db_result(db_query("SELECT COUNT(DISTINCT uid) FROM {uc_orders} WHERE order_status IN $order_statuses")))),
        array(array('data' => t('New customers today')), array('data' => db_result(db_query("SELECT COUNT(DISTINCT uid) FROM {uc_orders} WHERE order_status IN $order_statuses AND %d >= created AND created >= %d", $today_end, $today_start)))),
        array(array('data' => t('Online customers')), array('data' => db_result(db_query("SELECT COUNT(DISTINCT s.uid) FROM {sessions} as s LEFT JOIN {uc_orders} as o ON s.uid = o.uid WHERE s.uid > 0 AND o.order_status IN $order_statuses")))),
    );

    // Add the statistics table to the output.
    $output .= theme('table', $header, $rows, array('width' => '100%', 'class' => 'uc-sales-table'));

    // Build the total orders by status table header.
    $header = array(array('data' => t('Total orders by status'), 'width' => '50%'), '');
    $rows = array();
    $unknown = 0;

    // Loop through the order statuses with their total number of orders.
    $result = db_query("SELECT s.order_status_id, order_status, s.title, s.weight, COUNT(o.order_status) as order_count FROM {uc_orders} as o LEFT JOIN {uc_order_statuses} as s ON s.order_status_id = o.order_status GROUP BY s.order_status_id, order_status, s.title, s.weight ORDER BY s.weight DESC");
    while ($status = db_fetch_array($result)) {
        if (!empty($status['title'])) {
            // Add the total number of orders with this status to the table.
            $rows[] = array(
                l($status['title'], 'admin/store/orders/sort/' . $status['order_status_id']),
                $status['order_count'],
            );
        } else {
            // Keep track of the count of orders with an unknown status.
            $unknown += $status['order_count'];
        }
    }

    // Add the unknown status count to the table.
    if ($unknown > 0) {
        $rows[] = array(
            t('Unknown status'),
            $unknown,
        );
    }

    // Add the total orders by status table to the output.
    $output .= theme('table', $header, $rows, array('class' => 'uc-sales-table'));

    return $output;
}

/**
 * Display the yearly sales report form and table.
 */
function uc_reports_sales_year() {
    // "Now" timestamp
    $time = time();

    // Site time minus GMT time, in seconds
    $timezone_offset = _uc_reports_timezone_offset();

    $order_statuses = _uc_reports_order_statuses();

    // Get the year for the report from the URL.
    if (intval(arg(5)) == 0) {
        $year = format_date($time, 'custom', 'Y', $timezone_offset);
    } else {
        $year = arg(5);
    }

    // Build the header for the report table.
    $header = array(t('Month'), t('Number of orders'), t('Total revenue'), t('Average order'));

    // Build the header to the CSV export.
    $csv_rows = array(array(t('Month'), t('Number of orders'), t('Total revenue'), t('Average order')));

    $context = array(
        'revision' => 'formatted-original',
        'type' => 'amount',
    );

    // For each month of the year...
    for ($i = 1; $i <= 12; $i++) {
        // Calculate the start and end timestamps for the month in local time.
        $month_start = gmmktime(0, 0, 0, $i, 1, $year) - $timezone_offset;
        $month_end = gmmktime(23, 59, 59, $i + 1, 0, $year) - $timezone_offset;

        // Get the sales report for the month.
        $month_sales = _uc_reports_get_sales($month_start, 'month');

        // Calculate the average order total for the month.
        if ($month_sales['total'] != 0) {
            $month_average = round($month_sales['income'] / $month_sales['total'], 2);
        } else {
            $month_average = 0;
        }

        // Add the month's row to the report table.
        $rows[] = array(
            l(format_date($month_start, 'custom', 'M Y', $timezone_offset), 'admin/store/orders/search/results/0/0/0/0/0/0/' . $month_start . '/' . $month_end),
            $month_sales['total'],
            uc_price($month_sales['income'], $context),
            uc_price($month_average, $context),
        );

        // Add the data to the CSV export.
        $csv_rows[] = array(
            format_date($month_start, 'custom', 'M Y', $timezone_offset),
            $month_sales['total'],
            $month_sales['income'],
            $month_average,
        );
    }

    // Calculate the start and end timestamps for the year in local time.
    $year_start = gmmktime(0, 0, 0, 1, 1, $year) - $timezone_offset;
    $year_end = gmmktime(23, 59, 59, 1, 0, $year + 1) - $timezone_offset;

    // Get the sales report for the year.
    $year_sales = _uc_reports_get_sales($year_start, 'year');

    // Calculate the average order total for the year.
    if ($year_sales['total'] != 0) {
        $year_average = round($year_sales['income'] / $year_sales['total'], 2);
    } else {
        $year_average = 0;
    }

    // Add the total row to the report table.
    $rows[] = array(
        l(t('Total @year', array('@year' => $year)), 'admin/store/orders/search/results/0/0/0/0/0/0/' . $year_start . '/' . $year_end),
        $year_sales['total'],
        uc_price($year_sales['income'], $context),
        uc_price($year_average, $context),
    );

    // Add the total data to the CSV export.
    $csv_rows[] = array(
        t('Total @year', array('@year' => $year)),
        $year_sales['total'],
        $year_sales['income'],
        $year_average,
    );

    // Cache the CSV export.
    $csv_data = uc_reports_store_csv('uc_sales_yearly', $csv_rows);

    // Build the page output holding the form, table, and CSV export link.
    $output = drupal_get_form('uc_reports_sales_year_form', $year);
    $output .= theme('table', $header, $rows, array('width' => '100%', 'class' => 'uc-sales-table'));
    $output .= '<div class="uc-reports-links">' . l(t('Export to CSV file.'), 'admin/store/reports/getcsv/' . $csv_data['report'] . '/' . $csv_data['user']) . '</div>';

    return $output;
}

/**
 * Form to specify a year for the yearly sales report.
 *
 * @ingroup forms
 * @see uc_reports_sales_year_form_submit()
 */
function uc_reports_sales_year_form($form_state, $year) {
    $form['year'] = array(
        '#type' => 'textfield',
        '#title' => t('Sales year'),
        '#default_value' => $year,
        '#maxlength' => 4,
        '#size' => 4,
        '#prefix' => '<div class="sales-year">',
        '#suffix' => '</div>',
    );

    $form['submit'] = array(
        '#type' => 'submit',
        '#value' => t('View'),
        '#prefix' => '<div class="sales-year">',
        '#suffix' => '</div>',
    );

    return $form;
}

/**
 * @see uc_reports_sales_year_form()
 */
function uc_reports_sales_year_form_submit($form, &$form_state) {
    $form_state['redirect'] = 'admin/store/reports/sales/year/' . $form_state['values']['year'];
}

/**
 * Display the custom sales report form and table.
 */
function uc_reports_sales_custom() {
    $timezone = _uc_reports_timezone_offset();
    $timezone_offset = time() + $timezone;
    $format = variable_get('uc_date_format_default', 'm/d/Y');

    // Use default report parameters if we don't detect values in the URL.
    if (arg(5) == '') {
        $args = array(
            'start_date' => gmmktime(0, 0, 0, gmdate('n', $timezone_offset), 1, gmdate('Y', $timezone_offset) - 1),
            'end_date' => time(),
            'length' => 'month',
            'status' => FALSE,
            'detail' => FALSE,
        );
    } else {
        $args = array(
            'start_date' => arg(5),
            'end_date' => arg(6),
            'length' => arg(7),
            'status' => explode(',', urldecode(arg(8))),
            'detail' => arg(9),
        );
    }

    // Pull the order statuses into a SQL friendly array.
    if ($args['status'] === FALSE) {
        $order_statuses = _uc_reports_order_statuses();
    } else {
        $order_statuses = "('" . implode("', '", $args['status']) . "')";
    }

    // Build the header for the report table.
    $header = array(t('Date'), t('Number of orders'), t('Products sold'), t('Total revenue'));

    // Build the header to the CSV export.
    $csv_rows = array(array(t('Date'), t('Number of orders'), t('Products sold'), t('Total revenue')));

    // Grab the subreports based on the date range and the report breakdown.
    $subreports = _uc_reports_subreport_intervals($args['start_date'], $args['end_date'], $args['length']);

    $context = array(
        'revision' => 'formatted-original',
        'type' => 'amount',
    );

    // Loop through the subreports and build the report table.
    foreach ($subreports as $subreport) {
        $product_data = '';
        $product_csv = '';
        $order_data = '';
        $order_csv = '';

        // Create the date title for the subreport.
        if ($args['length'] == 'day') {
            $date = format_date($subreport['start'], 'custom', $format . ' - D', $timezone);
        } else {
            $date = format_date($subreport['start'], 'custom', $format, $timezone) . ' - ' . format_date($subreport['end'], 'custom', $format, $timezone);
        }

        // Build the order data for the subreport.
        $result = db_query("SELECT COUNT(*) as count, title FROM {uc_orders} LEFT JOIN {uc_order_statuses} ON order_status_id = order_status WHERE %d <= created AND created <= %d AND order_status IN $order_statuses GROUP BY order_status, {uc_order_statuses}.title, {uc_order_statuses}.weight ORDER BY weight ASC", $subreport['start'], $subreport['end']);
        $statuses = array();

        // Put the order counts into an array by status.
        while ($status = db_fetch_object($result)) {
            $statuses[] = t('!count - @title', array('!count' => $status->count, '@title' => $status->title));
        }

        $order_data = implode('<br />', $statuses);
        $order_csv = implode("\n", $statuses);

        // Build the product data for the subreport.
        if ($args['detail']) {
            // Grab the detailed product breakdown if selected.
            $result = db_query("SELECT SUM(op.qty) as count, n.title, n.nid FROM {uc_order_products} as op LEFT JOIN {uc_orders} as o ON o.order_id = op.order_id LEFT JOIN {node} as n ON n.nid = op.nid WHERE %d <= o.created AND o.created <= %d AND o.order_status IN $order_statuses GROUP BY n.nid, n.title ORDER BY count DESC, n.title ASC", $subreport['start'], $subreport['end']);
            while ($product_breakdown = db_fetch_object($result)) {
                $product_data .= $product_breakdown->count . ' x ' . l($product_breakdown->title, 'node/' . $product_breakdown->nid) . "<br />\n";
                $product_csv .= $product_breakdown->count . ' x ' . $product_breakdown->title . "\n";
            }
        } else {
            // Otherwise just display the total number of products sold.
            $product_data = db_result(db_query("SELECT SUM(qty) FROM {uc_orders} as o LEFT JOIN {uc_order_products} as op ON o.order_id = op.order_id WHERE %d <= created AND created <= %d AND order_status IN $order_statuses", $subreport['start'], $subreport['end']));
            $product_csv = $product_data;
        }

        // Tally up the revenue from the orders.
        $revenue_count = db_result(db_query("SELECT SUM(order_total) FROM {uc_orders} WHERE %d <= created AND created <= %d AND order_status IN $order_statuses", $subreport['start'], $subreport['end']));

        // Add the subreport's row to the report table.
        $rows[] = array(
            $date,
            empty($order_data) ? '0' : $order_data,
            empty($product_data) ? '0' : $product_data,
            uc_price($revenue_count, $context),
        );

        // Add the data to the CSV export.
        $csv_rows[] = array(
            $date,
            empty($order_csv) ? '0' : $order_csv,
            empty($product_csv) ? '0' : $product_csv,
            $revenue_count,
        );
    }

    // Calculate the totals for the report.
    $order_total = db_result(db_query("SELECT COUNT(*) FROM {uc_orders} WHERE %d <= created AND created <= %d AND order_status IN $order_statuses", $args['start_date'], $args['end_date']));
    $product_total = db_result(db_query("SELECT SUM(qty) FROM {uc_orders} AS o LEFT JOIN {uc_order_products} AS op ON o.order_id = op.order_id WHERE %d <= created AND created <= %d AND order_status IN $order_statuses", $args['start_date'], $args['end_date']));
    $revenue_total = db_result(db_query("SELECT SUM(order_total) FROM {uc_orders} WHERE %d <= created AND created <= %d AND order_status IN $order_statuses", $args['start_date'], $args['end_date']));

    // Add the total row to the report table.
    $rows[] = array(
        t('Total'),
        $order_total,
        $product_total,
        uc_price($revenue_total, $context),
    );

    // Add the total data to the CSV export.
    $csv_rows[] = array(
        t('Total'),
        $order_total,
        $product_total,
        $revenue_total,
    );

    // Cache the CSV export.
    $csv_data = uc_reports_store_csv('uc_sales_custom', $csv_rows);

    // Build the page output holding the form, table, and CSV export link.
    $output = drupal_get_form('uc_reports_sales_custom_form', $args, $args['status']);
    $output .= theme('table', $header, $rows, array('width' => '100%', 'class' => 'uc-sales-table'));
    $output .= '<div class="uc-reports-links">' . l(t('Export to CSV file.'), 'admin/store/reports/getcsv/' . $csv_data['report'] . '/' . $csv_data['user']) . '</div>';

    return $output;
}

/**
 * Form builder for the custom sales report.
 *
 * @ingroup forms
 * @see
 *   uc_reports_sales_custom_form_validate()
 *   uc_reports_sales_custom_form_submit()
 */
function uc_reports_sales_custom_form($form_state, $values, $statuses) {
    $timezone_offset = _uc_reports_timezone_offset();
    $form['search'] = array(
        '#type' => 'fieldset',
        '#title' => t('Customize sales report parameters'),
        '#description' => t('Adjust these values and update the report to build your custom sales summary. Once submitted, the report may be bookmarked for easy reference in the future.'),
        '#collapsible' => TRUE,
        '#collapsed' => TRUE,
    );

    $form['search']['start_date'] = array(
        '#type' => 'date',
        '#title' => t('Start date'),
        '#default_value' => array(
            'month' => format_date($values['start_date'], 'custom', 'n', $timezone_offset),
            'day' => format_date($values['start_date'], 'custom', 'j', $timezone_offset),
            'year' => format_date($values['start_date'], 'custom', 'Y', $timezone_offset),
        ),
    );
    $form['search']['end_date'] = array(
        '#type' => 'date',
        '#title' => t('End date'),
        '#default_value' => array(
            'month' => format_date($values['end_date'], 'custom', 'n', $timezone_offset),
            'day' => format_date($values['end_date'], 'custom', 'j', $timezone_offset),
            'year' => format_date($values['end_date'], 'custom', 'Y', $timezone_offset),
        ),
    );

    $form['search']['length'] = array(
        '#type' => 'select',
        '#title' => t('Results breakdown'),
        '#description' => t('Large daily reports may take a long time to display.'),
        '#options' => array(
            'day' => t('daily'),
            'week' => t('weekly'),
            'month' => t('monthly'),
            'year' => t('yearly'),
        ),
        '#default_value' => $values['length'],
    );

    $options = array();
    foreach (uc_order_status_list() as $status) {
        $options[$status['id']] = $status['title'];
    }

    if ($statuses === FALSE) {
        $statuses = variable_get('uc_reports_reported_statuses', array('completed'));
    }

    $form['search']['status'] = array(
        '#type' => 'select',
        '#title' => t('Order statuses'),
        '#description' => t('Only orders with selected statuses will be included in the report.') . '<br />' . t('Hold Ctrl + click to select multiple statuses.'),
        '#options' => $options,
        '#default_value' => $statuses,
        '#multiple' => TRUE,
        '#size' => 5,
    );

    $form['search']['detail'] = array(
        '#type' => 'checkbox',
        '#title' => t('Show a detailed list of products ordered.'),
        '#default_value' => $values['detail'],
    );

    $form['search']['submit'] = array(
        '#type' => 'submit',
        '#value' => t('Update report'),
    );

    return $form;
}

/**
 * Ensure an order status was selected.
 *
 * @see uc_reports_sales_custom_form()
 */
function uc_reports_sales_custom_form_validate($form, &$form_state) {
    if (empty($form_state['values']['status'])) {
        form_set_error('status', t('You must select at least one order status.'));
    }
}

/**
 * @see uc_reports_sales_custom_form()
 */
function uc_reports_sales_custom_form_submit($form, &$form_state) {
    $timezone_offset = _uc_reports_timezone_offset();

    // Build the start and end dates from the form.
    $start_date = gmmktime(0, 0, 0, $form_state['values']['start_date']['month'], $form_state['values']['start_date']['day'], $form_state['values']['start_date']['year']) - $timezone_offset;
    $end_date = gmmktime(23, 59, 59, $form_state['values']['end_date']['month'], $form_state['values']['end_date']['day'], $form_state['values']['end_date']['year']) - $timezone_offset;
    $args = array(
        $start_date,
        $end_date,
        $form_state['values']['length'],
        implode(',', array_keys($form_state['values']['status'])),
        $form_state['values']['detail'],
    );

    $form_state['redirect'] = 'admin/store/reports/sales/custom/' . implode('/', $args);
}
